Sweetpotato DNA Methylation Patterns Under Tissue Culture and Drought Stress

A study by Ajay Dhungana, last updated in May 2026, investigates epigenetic stability in sweetpotato. The dataset, shared under a CC-BY-4.0 license on figshare, contains results from bisulfite sequencing of commercial varieties and half-sib progenies. It examines genotype-specific DNA methylation responses to tissue culture propagation and drought stress.

Use Cases

• Compare epigenetic stability between meristem-initiated and conventional nodal tissue cultures based on the described propagation methods.
• Analyze genotype-dependent methylation remodeling in response to drought stress as mentioned in the description.
• Investigate the cumulative effect of prolonged in vitro culture on DNA methylation enhancement described as a result of in vitro stress.
• Assess the feasibility of long-term in vitro propagation for maintaining epigenetic stability, a key conclusion of the study.

Strengths

• Data is derived from bisulfite sequencing, a specific method for analyzing DNA methylation patterns.
• Compares multiple conditions: tissue culture methods and drought stress across commercial varieties and half-sib progenies.
• Includes statistical analyses of methylation pattern stability as referenced in the description.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The dataset is very small at 11.7 KB, indicating limited scope.

Provenance

Source

figshare

Collection Method

Bisulfite sequencing of sweetpotato varieties under controlled propagation and stress conditions.

Freshness

Last updated 2026-05-05 09:07:19; freshness should be verified.